Noun: enneadecahedron
| Singular | enneadecahedron |
| Plural | enneadecahedra; enneadecahedrons |
Sample Sentences
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Guy [24] and Knowlton have independently discovered a uniform unistable enneadecahedron. [1970, Research Paper, page 22:]
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Klamkin noted that [1] contains an improved solution by R.K. Guy to the polyhedron problem, consisting of a doubly truncated 17-sided convex prism, making it an enneadecahedron (19 faces). […] Ogilvy referred to his book [4], where he describes Guy's enneadecahedron. [1980, Crux Mathematicorum, pages 28, 29:]
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Our solid is a 17-sided prism, half of whose section is illustrated in Fig. 5, truncated obliquely as in the side view of Fig. 6, so it is an enneadecahedron. [1990, Murray S. Klamkin, Problems in Applied Mathematics: Selections from SIAM Review, Society for Industrial and Applied Mathematics, →ISBN, page 478:]
Nouns inflected like enneadecahedron
periuranion,
tetradrachmon,
elementary cellular automaton,
paregmenon,
pyramidion,
trisagion,
rhombicuboctahedron,
nychthemeron,
monohedron,
subtaxon,
enneadecahedron,
pseudorhombicuboctahedron,
hexakisoctahedron,
tetrahedron,
polyptoton,
hexaemeron,
hexadecahedron,
aphelion,
hexahedron,
snub dodecahedron, etc. (List truncated at 20 nouns)
Etymology
From enneadeca- + -hedron.